Dev Tools Posts for AI Developers

SigmaShake - AI Agent Guardrails at Runtime

SigmaShake adds deterministic sub-2ms guardrails to Claude Code, Cursor, Gemini CLI, and Copilot - blocking destructive tool calls before they execute.

TesterArmy - AI-Powered E2E Testing Without Test Scripts

TesterArmy is a YC P26-backed agentic E2E testing platform. Define tests in plain English, let AI agents run them before deployment and in production. No selectors, no scripts.

Cicada – FOSS Self-Hosted CI Alternative to GitHub Actions

Cicada is a free, open-source self-hosted CI/CD platform that mirrors GitHub Actions syntax. Spin up your own runner on any server, no cloud lock-in.

Sonarly - AI Agent Auto-Fixes Your Production Alerts

Sonarly connects to Sentry, Datadog, and Slack to triage alerts, identify root causes, and trigger AI fixes — cutting a 180-alert daily firehose down to 5 actionable issues.

SmolVM – Open-Source AI Sandbox for Coding Agents

Give AI agents their own disposable microVMs with hardware isolation. Sub-second boot, browser sandbox, file mounting, Python SDK and CLI. Apache 2.0.

Sanbox - Resumable MicroVM Sandboxes for AI Agents

Run AI agents in isolated, resumable MicroVM sandboxes with persistent filesystems, live run events, and a CLI that works with Claude Code, Cursor, and Codex.

Coasty AI – API for Computer-Use Agents

Coasty gives developers a $0.05 per predict API to control a real browser or desktop, with 1,000+ native app integrations for Gmail, Slack, GitHub, and more.

Pax – Cross-Platform GUI Engine with an Integrated Visual Designer

Pax is a Rust-powered UI engine with a built-in vector design tool. Write code or drag-and-drop, and both stay in sync. Targets macOS, iOS, and Web (WASM).

Structured Blocks: AI Functions from Natural Language

Generate code from natural language, test in a sandbox, then deploy as a REST endpoint in one click with Structured Blocks.

MinusX – AI Analyst for Your Metabase Dashboards

MinusX adds an AI side-chat to Metabase that answers any business question in plain English, using your existing dashboards and custom metrics as context.

LANCommander - Self-Hosted Game Distribution for LAN Parties

Set up LANCommander to distribute games across your local network without internet — self-hosted, open-source, with a polished desktop launcher.

Stagewise – Open Source Agentic IDE for Frontend Development

Stagewise is an open-source agentic IDE that embeds an AI coding agent directly into your browser tab, with full access to console and debugger. Supports 30+ models.

Verdent AI – Agentic Coding with Parallel Agents

Verdent AI is an agentic coding suite that runs multiple specialized agents in parallel, plans tasks with a built-in Plan Mode, and ships production code via VS Code or JetBrains.

Lucid – See What an LLM Thinks Before It Answers

A free browser tool showing which internal concepts a language model holds mid-computation, using Anthropic's Jacobian lens to let you observe reasoning layer by layer.

Diffnote - Free Browser-Based Document Diff Tool

Free browser-based document comparison tool. Compare TXT, PDF, DOCX, JSON, and Markdown with line, word, and character-level diffs. Privacy-first: files never leave your device.

Transactional – HTML + Tailwind to PDF via API

Design PDFs in HTML and Tailwind CSS, then generate them on-demand through a single API call. Open-source stack with MCP support.

Rac-Delta – Open Protocol for Differential Directory Sync

Rac-delta is a universal differential protocol for efficiently syncing and distributing builds across storage backends. MIT-licensed, with Rust and Node.js SDKs.

EventCatalog – Document Event-Driven Architectures

Open-source tool to document domains, services, events, and schemas for event-driven systems. Ships with AI chat, schema explorer, and 15+ generators.

Cq – Mozilla's Open Standard for Shared Agent Learning

Cq is an open source framework from Mozilla.ai that lets AI coding agents share what they learn so others avoid repeating the same mistakes.

Matrix OS – A Cloud Computer for Your AI Agents

Matrix OS gives AI agents their own persistent hosted workspace with terminal, files, apps, and Postgres — accessible from any browser after your laptop closes.

RCLI — On-Device Voice AI for Apple Silicon

RCLI is a local voice AI for macOS running a complete STT + LLM + TTS + VLM pipeline on Apple Silicon. Sub-200ms latency, 40 voice-controlled macOS actions, local RAG over your documents.

1Code – Open-Source Cursor-like UI for Claude Code

1Code is an open-source coding agent client that runs Claude Code and Codex with a visual UI, git worktree isolation, and background cloud sandboxes.

Nerve – Query Multiple Data Sources with One GraphQL API

Nerve is a self-hosted query engine that joins data from multiple APIs, databases, and third-party services via GraphQL-style queries, executed entirely in your own infrastructure.

Wispbit - Linter for AI Coding Agents

A free, open-source linter for AI coding agents that enforces your codebase standards and keeps quality consistent across the team.

CodeRadius - Map Cross-Repo Architecture with One CLI Command

An open-source architecture graph tool that statically analyzes multiple repositories to map every service, API, queue, and database. Supports MCP for AI agents.

Quary – Open-Source BI for Engineers

Quary is a SQL-first open-source BI tool for engineers. Connect to PostgreSQL, BigQuery, Snowflake, and more, write SQL models, and build charts — all in VSCode.

Superset - Run 10 Parallel AI Agents on Your Machine

Superset is a desktop app that orchestrates multiple AI coding agents in parallel using git worktrees. Built with Rust, it works with Claude Code, Codex, and other CLI agents.

Peek – Infinite Canvas Database GUI

A visual database GUI that renders Postgres, MySQL, SQLite, and DuckDB as an infinite canvas with query nodes, AI inference, and MCP support.

CodeRev – Code Review as Interview

CodeRev is a free, open-source tool that replaces leetcode with real code review sessions for technical interviews. Self-host or use the hosted version.

Yaak - Local-First API Client for REST, GraphQL, gRPC

Open-source desktop API client built with Tauri and Rust. Works fully offline, syncs workspaces via plain-file Git, and ships a CLI for AI agents.

Openbenchmarks - Verified API Benchmarks for AI Agents

Free, independent hub scoring B2B data and AI-agent APIs against verified ground truth. Covers lookalikes, enrichment, funding, TTS, and STT with public methodology, OpenAPI 3.1, and MCP access.

Runtime – Skills-Based Browser Automation Without DOM Hacking

Runtime uses predefined DOM attributes as skill gateways to automate browsers, sidestepping expensive LLM reasoning at execution time.

QueryVeil – AI Data Analyst That Never Sees Your Data

QueryVeil runs entirely in your browser. Drop in a CSV and the AI investigates your data without ever uploading it — DuckDB handles processing locally.

Port42 - AI Companions for macOS

Port42 is a native macOS app where multiple AI companions collaborate with humans in the same conversation, build real-time ports, and run CLI agents inline. Open source and end-to-end encrypted.

Lambda CLI – MCP Server for Lambda GPU Cloud

A fast CLI and MCP server for managing Lambda cloud GPU instances via natural language commands in Claude Code or other AI assistants.

OmniFile – Universal File Search for Cloud and Local

OmniFile is a Tauri desktop app that searches local files and cloud services (Google Drive, Dropbox, Box, SharePoint, Slack, Notion) from one unified interface. Free forever, $129 Pro.

Cognee – Open-Source AI Memory for Agents

Cognee gives AI agents persistent long-term memory using a knowledge graph. Self-hosted, Apache-2.0, and works with Python 3.10+.

WonderTwin AI – Local API Twins for Safe Agentic Development

WonderTwin gives your AI agents local, behavioral clones of third-party APIs — Stripe, Twilio, Resend, and more — that run offline and mirror production failures. Open-source MIT.

Freestyle – Sandboxes for Coding Agents

Freestyle gives AI coding agents their own Linux VMs with git-backed persistence, sub-second provisioning, and GitHub sync. Open-source option available.

Cua – Scale Computer Fleets for AI Agents

Open-source infrastructure to run Linux, Windows, macOS, and Android sandboxes for training and evaluating computer-use AI agents. MCP server + CLI, MIT licensed.

Coasty AI Agent - 85.60% on OSWorld Benchmark

Coasty is a computer-use AI agent ranking 85.60% on OSWorld, with a REST API at $0.05 per predict, MCP server, and 1,000+ OAuth integrations for $99/month flat.

Papercrane-CLI - AI Dashboards Built by Claude Code

papercrane-cli gives Claude Code authenticated access to your data sources and turns business questions into live, shareable dashboards — no coding required.

MLJAR Studio – Local AI Data Analyst That Saves Notebooks

MLJAR Studio is a desktop app where you chat with your data in natural language and get reproducible Python notebooks. AutoML, pandas, and database connectors included.

Membrane - Typed, Revisable Memory for AI Agents

Membrane gives AI agents typed, revisable memory instead of append-only transcripts or flat vector stores. Five memory layers, trust-aware retrieval, and Go/TypeScript/Python SDKs.

Prism - AI Video and Image Generation Workspace

Prism combines AI video and image generation in one workspace. Generate videos with Veo, Kling, Sora models, edit scenes, add lip sync, and publish to TikTok, Reels and Shorts.

MirrorNeuron – Durable AI Workflows Without Orchestration Complexity

MirrorNeuron is an open-source runtime that keeps long-running AI agents recoverable, resumable, and locally private — without Airflow, Temporal, or cloud infrastructure.

Better Agent – TypeScript Framework for Typed AI Agents

A TypeScript framework for building typed, event-driven AI agents with AG-UI event streaming, structured output, and composable plugins.

ai-cli-bridge – Claude Max and ChatGPT Pro as a Team API

Bridge your Claude Max or ChatGPT Pro subscription into a private REST API for your team. Self-hosted Express + Bun server with hashed API keys, per-key rate limits, and usage tracking.

MCP Review – Open-Source MCP Server Directory with Community Ratings

Find the best MCP servers for Claude and AI workflows. MCP Review is a free, open-source directory with community-driven ratings and reviews, MIT licensed.

Agnost AI – Extract User Feedback from Agent Conversations

Agnost AI continuously analyzes production conversations, catches agent failures your evals miss, and turns the highest-impact patterns into reviewed fixes.

AgentWatch - Stop Runaway AI Agents Burning Your Budget

AgentWatch is an open-source proxy firewall that sits between AI agents and LLM providers, blocking requests that would blow past your budget. Two lines of code, 10 providers, sub-10ms latency.

OpenTrace – Give Your AI Coding Agent Eyes on Production

OpenTrace connects Claude Code and Cursor directly to your production observability data via MCP. Self-hosted, no Elasticsearch, runs on a $4/month VPS.

Codify – Dev Environment as Code

Declare your dev setup in a JSONC file and let its AI agent install Homebrew, VS Code, Node, and more across Mac and Linux in one command.

DenchClaw - Local AI CRM on Your Mac

Set up DenchClaw, an OpenClaw-based local AI CRM that runs on your Mac. Manage leads, automate outreach, and chat with your data - no cloud required.

Qurt - Open-Source Desktop AI Coworker

Qurt is a free, open-source desktop AI coworker for macOS and Windows that researches the web, writes drafts, runs commands, and reads your files. BYOK with no subscription.

Colorize - Extract Color Palettes from Any Website

A free browser tool that extracts color palettes from any URL. Paste a link, get the full color scheme instantly. No sign-up, no API key needed.

flutter-skill – MCP Server for Cross-Platform AI Agent Testing

Open-source MCP server that gives AI agents eyes and hands inside any running app. Zero test code, 10 platforms, works with Claude, Cursor, Copilot.

Julie – Screen-Aware Desktop AI Assistant with Computer Use

Julie is an open-source desktop AI that sees your screen, responds by voice or text, and autonomously controls your browser or computer via Puppeteer and JXA.

Coasty AI Computer Use Agent API

Coasty is an AI agent API for computer-use automation. Score 85.60% on OSWorld benchmark, 1000+ app integrations, and $0.05 per predict call. YC S26.

SUTRA.team – The First OS for Autonomous Agents

SUTRA.team runs 15 AI specialists as a deliberating council, using the Sammā Suit 8-layer security framework to synthesize decisions for autonomous agent teams.

Speakeasy – AI Control Plane for MCP, Agents and Skills

Connect, secure, control and observe every MCP connection, AI skill and agent session. Speakeasy is the control plane for enterprise AI governance at runtime.

Cloudstic CLI – Encrypted Backups for Google Drive, OneDrive, and Local Files

Open-source Go CLI that deduplicates, encrypts with AES-256-GCM, and backs up Google Drive, OneDrive, and local directories to S3, R2, B2, or local storage.

LLM API Test – Benchmark LLMs Including Local Models

Compare response time, throughput, and cost across OpenAI, Claude, Gemini, and any OpenAI-compatible local model with this browser-based benchmark tool.

Testronaut – AI-Powered Mission-Based Browser Testing

Testronaut lets you write Playwright tests in plain English. Define missions, run real browsers, get AI-generated reports without brittle selectors.

Juggler – Visual GUI Coding Agent for Developers

Juggler is an open-source desktop coding agent with a visual Miller-column workbench, branching threads, and a plugin system for inspecting and controlling LLM tool calls.

Bodge.app – μFaaS for Personal Tools

Bodge.app turns a few lines of Lua into a live HTTP endpoint in seconds—no config, no Docker, no pipeline. A minimal Functions-as-a-Service for personal tools and side projects.

AI Agent Tools Directory - 510+ Tools for Building AI Agents

AI Agent Tools maps 510+ tools across 31 categories including MCP servers, frameworks, coding agents and platforms - updated daily. Find the right tool for any AI agent build.

Mainline - Dev-First Project Management Without Backlogs

Mainline organises software work on a story map instead of a backlog, with flow metrics, a pairing matrix, and a free GitHub CI monitor.

Andi – AI Q&A Search Engine (YC W22)

Andi gives you direct answers instead of link lists. Ad-free, anti-spam AI search from YC W22 with strong academic results.

Bodhi App - Run Local LLMs with OpenAI-Compatible API

Bodhi App is a free, open-source desktop app that runs open-source LLMs locally on macOS, Windows, or Linux with an OpenAI-compatible API and built-in Chat UI.

Captain – Multimodal RAG Search That Scales

Captain connects to S3, SharePoint, and 20+ sources to index video, images, PDFs, and audio, then serves AI agents via a clean REST API or MCP server. YC W26.

Gradient Engineer – 60-Second Linux Analysis

Run the full Brendan Gregg-style Linux diagnostics playbook in 6 seconds. Open-source Rust tool uses Nix for zero-install portability, optional LLM summaries.

GitHits – Context layer for AI coding agents

GitHits is an open-source CLI and MCP server that gives AI coding agents version-aware indexed access to public open-source code, package docs, and changelogs.

Usagi – Free 2D Game Engine with Lua and Live Reload

Usagi is a free, open source 2D game engine for pixel art games in Lua. It features live code and asset reload, one-command cross-platform export, and a minimal fixed API for rapid prototyping.

Noop Workshop - Local Dev with Cloud Parity

Free dev tool that defines app infrastructure in a YAML blueprint and runs it locally with the same config as cloud - no drift between local and prod.

Apitally - Privacy-First API Monitoring and Analytics

A lightweight API monitoring tool with open-source SDKs for Python, Node.js, Go, Java, and .NET. Features traffic, errors, performance dashboards, and Slack alerts.

ContextVault – Shared Memory Layer for AI Teams

ContextVault stores shared memories once and makes them reusable across your team. A hybrid retrieval layer for AI that survives sessions.

DashVox – Voice Control AI Coding Agents From Your Car

Control Claude Code and Codex by voice from your phone, car, or watch. Self-host free with Java 21 or use the managed cloud.

Context.dev Review – YC S26 Web Data API for AI Agents

One REST API to scrape, crawl, extract structured data, screenshot, and identify brands from any URL. Free tier included. Built for AI agents.

AI Visibility Pro – Free AI Search Audit Tool

Run a free AI visibility audit for ChatGPT, Gemini, Claude, Perplexity and more. Get actionable GEO reports showing crawlability, entity clarity and trust signals.

Magnitude – Open Weights Coding Agent

Frontier coding agent powered by open models like GLM and DeepSeek. Runs in your VPC, code never leaves your infrastructure. 75.5% Terminal-Bench 2.1, 3x cheaper than Claude Code.

Pochi - Open-Source AI Code Agent for VS Code

Pochi is an open-source VS Code extension that turns any LLM into a coding agent. Run parallel agents in isolated Git worktrees, read/write files, execute commands, and automate refactoring tasks.

Deeb – ACID JSON Database for Rust

Deeb is a lightweight embedded JSON database written in Rust. It turns JSON files into ACID-compliant collections with query, insert, update, and transaction support — no server needed.

ArchFormation - Visual Cloud Infrastructure to Terraform

ArchFormation lets you design cloud infrastructure with drag-and-drop and generates production-ready Terraform code for AWS, Azure, and GCP.

LocallyTools - Free Privacy-First Browser Toolbox

Free browser toolbox for images, PDFs and dev tools. 100% client-side processing with zero uploads, zero sign-up and full offline support.

GitDiagram — Codebase Diagrams from Any GitHub Repo

Turn any public GitHub repository into an interactive Mermaid.js architecture diagram. Paste a URL, get a navigable map of the codebase in seconds.

Lucid – Watch and Edit What an LLM Thinks Before It Speaks

A free web tool that visualizes internal activation patterns of language models layer by layer as they process a prompt, letting you observe and manipulate concepts mid-computation.

Skillscript – Declarative sandbox for AI agent toolchains

Skillscript is a Makefile-inspired DSL that lets AI agents author reusable, human-approved workflows with built-in security guardrails and MCP connectivity.

Restfox - Open Source HTTP Client for Web & Desktop

A browser-based HTTP client that works offline, supports REST/WebSocket/GraphQL, and runs as a PWA, desktop app, or Docker container.

Statey AI – Shared Database for AI Agents Across Every Chat

Statey is an MCP-native shared database that lets Claude, Cursor, and ChatGPT share structured records across every conversation. Hosted, free to start.

CodeWeaver – Turn Any Codebase Into a Single Markdown Doc

Transform any codebase into a single navigable Markdown doc for AI tools. Go CLI, MIT licensed, with file filtering and clipboard support.

KaibanJS - JavaScript Framework for Multi-Agent Systems

KaibanJS is an MIT-licensed JavaScript framework for building and orchestrating multi-agent AI systems with a Kanban-style visual board. 1.4k stars on GitHub.

Airweave – Connect Any App to Your AI Agents

Airweave is an open-source context retrieval layer that syncs 50+ apps, databases, and docs into a unified LLM-friendly search interface for AI agents.

mcp-use – TypeScript & Python MCP framework from Manufact

Build MCP servers and apps in TypeScript or Python, debug in a browser inspector, and deploy to production with one CLI command via Manufact MCP Cloud. 10k+ GitHub stars.

Rubber Duck Committee – Multi-Agent AI Debugging

Rubber Duck Committee runs three AI duck personas that analyze your code from different angles and vote on the best fix. Powered by Vertex AI and Gemini 2.0 Flash.

Engram – Persistent Memory for AI Agents

Engram gives AI agents persistent, searchable memory with a 5-line Python SDK. SQLite-backed, self-hosted, zero-config, MIT licensed.

ChartDB Agent – AI-Powered Database Schema Design

Turn any database into an interactive ER diagram with a single SQL query. ChartDB Agent adds AI-powered DDL migration and multi-dialect export to the open-source database diagramming tool.

Stoneforge – AI Agent Orchestration Platform

Stoneforge is an open-source TypeScript platform for orchestrating multiple AI coding agents in parallel. It features a web dashboard, git worktree isolation, and automated merge review.

SnapAPI – Screenshot, PDF and Extraction API

A fast REST API for screenshots, PDFs, web scraping, and content extraction built with Fastify and Playwright. Free tier: 200 requests/month with Go SDK and MCP server.

WhoDB - Open-Source Database GUI and MCP Server for AI Agents

WhoDB is a fast, lightweight database GUI (under 100MB, starts in under 1 second) that also ships a CLI doubling as an MCP server, letting AI agents query databases directly.

Spectrum – Connect AI Agents to Messaging Platforms

Spectrum is an open-source multi-channel agent framework that routes AI agents through iMessage, Telegram, WhatsApp, Slack, Discord and other messaging platforms—no web chat required.

Semble – Code Search for AI Agents

Semble indexes any codebase in ~250ms and answers natural-language queries in ~1.5ms on CPU, using 98% fewer tokens than grep-plus-read. MIT-licensed, no API keys needed.

MCPHost – Web Client for Remote MCP Servers

A browser-based tool to connect to multiple Model Context Protocol servers, browse tools and resources, and chat with AI models.

DevHunt — Open-Source Product Hunt Alternative for Dev Tools

DevHunt is an open-source launch platform for developer tools where submissions are GitHub pull requests and voting is GitHub-login-gated. Built on Next.js and Supabase.

Aegize – Runtime Governance for AI Agents

Aegize is a runtime governance layer that sits between autonomous AI agents and the tools they control — adding identity, policy enforcement, permissions, and audit logging.

Tracium – AI Agent Observability in One Line of Code

A lightweight observability tool that wraps your existing LLM calls and surfaces traces, token costs, latency, and errors in a single dashboard.

NetViews Review – macOS Network Tool

NetViews is a native macOS network scanner and Wi-Fi diagnostic app for IT and network engineers. Real-time monitoring, host discovery, and Cloudflare-backed speed tests for 19.99 USD one-time.

Sentrial – AI Agent Failure Monitoring Before Users Notice

Sentrial catches AI agent failures, drift, and anomalies in production — giving developers observability into agentic workflows before users report the problem.

Gleece - Code-First OpenAPI v3 Generation for Go

Gleece transpiles Go annotated routes into OpenAPI v3 specs, validation, and auth middleware — supporting Gin, Echo, Chi, Gorilla Mux, and Fiber from a single source of truth.

Context.dev - Web Scraping API for AI Agents

Context.dev (YC S26) converts any URL to clean markdown, extracts brand data, and crawls full sites via one REST API with TypeScript and Python SDKs.

OpenBrowser - AI Browser Automation with CodeAgent

OpenBrowser is an open-source AI browser automation framework using a CodeAgent architecture to control any browser via CDP, with MCP and Python 3.12+.

MySigner – Ship iOS and Android Apps from the Terminal

MySigner is a CLI-first tool that auto-detects your mobile framework, builds, signs, uploads and submits to the App Store and Google Play from a single command.

Nimble – Token-Efficient MCP Server That Lazy Loads Tools

Nimble is an MCP server that lazy loads tools on demand instead of flooding your context window with every tool schema. Over 99% token savings on initial MCP load.

metaBrain - Local Document Memory for AI Agents

A local document memory server for AI agents. Store notes, code snippets, and task context in LevelDB with a fast CLI and optional daemon.

AgentGram – Open-Source Social Network for AI Agents

AgentGram is an open-source, self-hostable social network built for AI agents. Features Ed25519 cryptographic auth, semantic search, Python/TypeScript SDKs, MCP server, MIT license.

Intuned - AI Builds and Self-Heals Playwright Scrapers

Intuned uses an AI agent to generate production-ready Playwright scrapers in TypeScript or Python, with self-healing, captcha solving, and scheduling built in.

Runtime – Sandboxed Coding Agents for Team Collaboration

YC P26-backed runtime gives your coding agents isolated sandboxes so they can build and deploy without touching production. Works with Claude Code, Cursor, Codex.

Kastra – Policy Guard for Claude Code, Cursor, and Codex

Kastra intercepts AI coding agent tool calls and evaluates them against deterministic policies before execution. Built after a near-miss with a production DELETE query.

Sena - Search YC People with Natural Language

Find any YC founder, investor, or alumni instantly using conversational search. Sena's YC Network directory covers 6,876 people and supports natural language queries.

Spanly – MCP Observability That Actually Understands the Protocol

Open-source observability for MCP servers. TypeScript and Python SDKs plus a CLI, with real-time tracing, per-tool latency breakdown, and alerting.

ComfyUI Launcher: Run Any Workflow with Zero Setup

Open-source app that runs any ComfyUI workflow with zero setup. Auto-installs custom nodes, missing models, and isolates each workflow in its own environment.

Nudge - Type-Safe Prompt Builder with AI Codegen

Nudge is an open-source TypeScript library for building prompts with a fluent builder API and generating optimized system prompts via AI CLI codegen.

Onit SideKick – AI Chat Sidebar for Any Mac App

Onit SideKick docks an AI chat sidebar to any Mac app, letting you highlight text or load a window as context for Claude, GPT, Gemini, or local Ollama models.

CloudCLI – Web UI for Claude Code, Cursor CLI, and Codex

Run Claude Code, Cursor CLI, Codex, and Gemini CLI in persistent cloud containers accessible from any device. Open source AGPL-3, 12.5k GitHub stars.

Feedster - RSS Reader Built for AI Agent Integration

Feedster is an open-source RSS/feed reader with AI agent integration, sharable channels, and optional self-hosting via Docker.

Orchestra - Visual Browser Automation That Exports Plain Playwright

A desktop studio for browser automation and web scraping. Build flows visually, watch them run live, and export plain Playwright code you own forever.

Port42 - Native Mac App for Human-AI Companion Computing

Port42 is a native macOS app (Apple Silicon, macOS 14+) where humans and AI companions coexist in the same conversation, build tools together in real time, and share an end-to-end encrypted open protocol.

Scout QA - AI Testing Companion for Vibe-Coded Apps

Scout is a free AI tool that audits vibe-coded web apps across performance, security, SEO, and accessibility by simply pasting its URL.

Linkly AI – Local Document Search Built for AI Agents

Linkly AI indexes your local documents and exposes full-text search via an MCP server and CLI, letting any AI coding agent query your knowledge base directly.

Gitingest - Turn Any GitHub Repo into a Prompt-Friendly Text Extract

Replace 'hub' with 'ingest' in any GitHub URL to instantly get a codebase digest optimized for LLMs. No sign-up, free, open-source.

Dedalus Labs – Persistent Linux VMs for AI Agents in 250ms

Dedalus Labs launches persistent Linux machines that boot in under 250ms with full VM isolation. Connect any LLM to any MCP tool without YAML or Dockerfile config.

Steadwing Review – Autonomous On-Call That Fixes Incidents

Steadwing is an autonomous on-call engineer that diagnoses root cause in under 5 minutes and delivers actionable RCA reports with real remediation steps.

BotBrowser – Extract Clean Markdown from Any Webpage

Webpages average 50K+ tokens. BotBrowser strips the bloat and returns clean markdown, saving 90–95% of tokens for LLM agents. MIT licensed.

Sonars – Agentic IDE Built Around Git Worktrees

Sonars runs multiple AI agents in parallel, each isolated in its own Git worktree. Built by a graphics R&D engineer who used it to build itself in 3 weeks.

Tabstack - Browser Infrastructure for AI Agents from Mozilla

Tabstack gives AI agents structured web data and browser automation via a single API. Built by Mozilla, it handles the messy crawling layer so you can focus on the agent logic.

Hyperterse – Agentic Server Framework for MCP and A2A

One framework to ship agents (A2A), MCP tools, prompts, and database adapters from a single deployable process. Declarative config, TypeScript handlers, and OpenTelemetry built in.

Modeloop – Visual Block Diagrams to Embedded C Code

An open beta browser IDE for model-based design. Wire block diagrams, simulate control systems, and generate production-ready C or Python firmware.

VibeShield — Turn Intent into Architecture

VibeShield transforms developer intent into secure, production-ready code via a real-time security mediation layer that converts natural language requests into precise engineering specs with built-in security requirements.

WebMCP Core – Auto-Generate AI Agent Tools from Any Website

WebMCP Core (@keak/webmcp-core) crawls any URL, extracts forms and API calls, and auto-generates structured tool definitions compatible with Chrome 146 WebMCP. MIT licensed.

Moltis – A Secure Persistent Agent Server in Rust

One binary Rust agent server with sandboxed execution, multi-provider LLM support, voice, memory, MCP tools, and built-in integrations for Telegram, Discord, and more.

Superset – Run 10 Parallel Coding Agents on Your Machine

Superset orchestrates multiple AI coding agents in parallel using git worktrees, letting you monitor and switch between tasks without context-switching overhead.

Weco AI Functions - Text-to-Agent Dev Tool

Turn one-sentence prompts into production-ready AI function endpoints. Weco AI Functions generates structured, scalable REST APIs with web-search and multimodal support.

MarkdownDown – Convert Any Webpage to Clean Markdown

Turn any webpage into clean, downloadable Markdown. Strips ads, downloads images, and embeds them in the file. Uses Puppeteer and Turndown under the hood.

RΞASON - TypeScript Framework for LLM Apps

RΞASON is a minimalistic TypeScript framework for building LLM apps with structured outputs, function-based agents, streaming, and zero-config OpenTelemetry observability.

Captain - Multi-Modal RAG API for Video, Docs, and Images

Captain is a YC W26-backed API that searches across video, images, PDFs, and audio in two API calls. Built on MRAG-Bench with 95% accuracy.

DevTUI – Swiss-Army Terminal Toolkit for Developers

DevTUI is an all-in-one terminal toolkit that consolidates developer utilities into a unified TUI and CLI. Privacy-focused, works offline, MIT-licensed.

SuperLocalMemory – Zero-Cloud AI Memory That Stays Local

Local-first AI memory tool with 74.8% zero-LLM benchmark on LoCoMo. No API keys, no cloud, AGPL-3.0 — runs fully offline.

TaskPeace – MCP-Native Task Queue for AI Coding Agents

TaskPeace is a ranked task queue that AI coding agents like Claude Code and Cursor pull from over MCP. Free tier + $10/mo Pro.

Shellular – Run Claude Code From Your Phone

Shellular gives you a full agentic dev environment on your phone — Claude Code, Codex, Cursor, and OpenCode with a real UI, terminal, file browser, and browser DevTools.

Rivet - Visual AI Agent Programming Environment

A visual IDE for building complex AI agents and prompt-chaining workflows. Ships with a desktop app, TypeScript library, and integrations for GPT-4, Claude, and more. MIT licensed.

Contextify — Searchable History for Claude Code and Codex

Contextify indexes your Claude Code and Codex sessions locally, giving you full-text search, Apple Intelligence summaries, and cross-device sync for your AI coding history.

Extension.js – Build Browser Extensions Without Build Config

A CLI framework that handles Chrome, Edge, and Firefox browser extension development with zero config, built-in HMR, and Manifest V3 support. Quick setup.

Polos – Open-Source Runtime for AI Agents

Polos is an open-source runtime for AI agents that handles sandboxed execution, durable workflows, human-in-the-loop approvals, and built-in triggers. Write agents in Python or TypeScript and ship to production.

Manufact - Deploy MCP Apps and Servers to the Cloud in Under 60 Seconds

Manufact Cloud lets you build, deploy, and distribute MCP servers and AI apps for ChatGPT, Claude, and Gemini from a single codebase. Built on the open-source mcp-use SDK with 10k+ GitHub stars.

Attune – Fast APT Repository Hosting

Self-host APT repositories with local GPG signing and incremental index rebuilds. Docker-based control plane, Community Edition free forever.

VMPrint – Pure-JS Typesetting Engine for Bit-Perfect PDFs

VMPrint is a zero-browser, pure-TypeScript layout engine that simulates document layout as a spatiotemporal process. Single-pass TOC, multi-script bidi, and 326 pages in 718ms warm. No HarfBuzz, no ICU, no headless Chrome.

CocoIndex – Incremental Data Framework for AI Agents

Open-source incremental data framework that keeps AI agents grounded in fresh, structured context. Only the delta is reprocessed — no stale batches, zero re-processing.

bVisor – Embedded Bash Sandbox for AI Agents, 2ms Boot

bVisor spins up an isolated bash sandbox in ~2ms using Linux syscall interception, no VMs or remote infra needed. Built in Zig, ships as a TypeScript SDK.

Ghidra MCP Server – AI-Powered Reverse Engineering

Connect Claude or Copilot directly to Ghidra's full analysis engine. This MCP server gives AI agents 256 tools for decompilation, P-code emulation, live debugging, and cross-binary documentation workflows.

peerd – AI Agent Harness That Runs in Your Browser

peerd is a browser extension that turns Chrome or Firefox into a full AI agent harness with sandboxed compute, WebRTC P2P sharing, and no backend.

StableBuild - Freeze and Pin Any Software Dependency

StableBuild mirrors Docker, Python, Debian, and Ubuntu packages into immutable, version-pinned endpoints so your builds never break when upstream changes.

Sipp - Run GGUF AI Models in Browser 3x Faster

Sipp is an open-source WebGPU runtime for GGUF AI models, built with Rust and C++. It runs models in-browser with zero dependencies and extends to native inference and cloud provider routing via a unified API.

OmniTools – Self-Hosted Web Toolbox with 40+ Utilities

OmniTools is an open-source, self-hosted web app with 40+ browser-based tools: PDF manipulation, image converters, JSON formatters, video utilities and more. Docker one-liner to deploy.

Velda – Run GPU Batch Jobs Without Docker or Manifests

Velda turns any dev environment command into a cloud batch job. No Dockerfiles, no image registries, no Kubernetes manifests — just prefix with vrun and scale.

certgrep - Search Certificate Transparency Logs

certgrep is a free tool that searches Certificate Transparency logs to find domain squatting and phishing attempts against your brand, built by the Have I Been Squatted team.

Home Maker – Declare Your Dev Tools in a Makefile

Track every CLI tool you install and never forget how to reinstall them. Home Maker uses a single Makefile to declare packages across apt, cargo, uv, go, and npm – with a fuzzy-search frontend.

Viberails - Open-Source AI Agent Guardrail Tool

Intercept, audit, and validate AI agent tool calls before execution. Viberails adds a security layer between AI agents and their operations with under 50ms latency.

StoreConfig – Automate App Store Connect from JSON

Free, open-source CLI that automates App Store Connect: IAPs, subscriptions, pricing, metadata, localizations, and availability — all from JSON config files.

Commander – AI Chrome Extension for Browser Automation

Commander is a Chrome extension that uses AI to automate web tasks via natural language — "go to YouTube, search for IPL, play the first video."

Markey – Launch Pack from One URL for Indie Builders

Paste your build's URL and Markey ships a full launch week across X, LinkedIn, Reddit, blog, email and more — then keeps posting every week so you stay visible.

Spec27 – Spec-Driven AI Agent Validation

Validate AI agents without building your own test infrastructure. Automate coverage, catch regressions early, and verify vendor systems without code access.

AlterBase - Find Cheap Alternatives to Expensive Dev Tools

A community-driven directory of handpicked indie-friendly software alternatives. Discover self-hosted, open-source, and budget-friendly replacements for overpriced tools.

Zuplo – Programmable API Gateway for Developers

Zuplo is a fully-managed API gateway you configure with code. Add rate limiting, authentication, an AI gateway, MCP server, and developer portal — deploy to the edge in minutes.

Sipp – Browser WebGPU GGUF Inference at 3x Speed

Sipp is an open-source WebGPU runtime for running GGUF AI models directly in the browser with no server calls. Built with Rust and C++, it delivers 3x faster inference than comparable approaches with zero dependencies.

Klavis AI – MCP Integration Platform for AI Agents

Klavis AI provides MCP integration platforms that let AI agents use 100+ prebuilt tools reliably at any scale, with self-hosting, Python and TypeScript SDKs, and REST API. Apache-2.0 licensed.

OpenAgents Workspace – Collaborate with Multiple AI Agents in One Place

OpenAgents Workspace is an open-source platform where AI coding agents share threads, files, and a live browser — letting you coordinate multi-agent workflows from a single URL.

Tabularis – Open-Source Desktop DB Client with Built-In MCP Server

Tabularis is a free, open-source desktop SQL client for PostgreSQL, MySQL, SQLite, DuckDB, ClickHouse, Redis and more, with a built-in MCP server so AI coding tools can query your databases directly.

Agentify – Declarative AI Agent Prototyping in YAML

A lean Python toolkit for building AI agents from simple YAML specs — supports OpenAI, Anthropic, DeepSeek, and more.

Smidge - Turn Expert Knowledge Into AI Agent Skills

Drop YouTube videos, PDFs, docs or audio and get production-ready SKILL.md files for Claude, Cursor, Copilot and 30+ AI agents.

Davia - Open-Source Interactive Docs from AI Coding Agents

Davia auto-generates interactive wiki-style docs from your codebase via AI coding agents. Docs are editable, include visualizations, and sync to a collaborative workspace.

HyprMCP Jetski – MCP Analytics Gateway

HyprMCP Jetski adds prompt analytics, auto-generated setup instructions, and OAuth2 auth to any MCP server with zero code changes. Open source, Go-based, Kubernetes-ready.

Chroma Cloud – Serverless Search Database for AI

Serverless AI search platform by Chroma. Supports vector, full-text, regex, and metadata search on object storage. 28k GitHub stars, Apache 2.0, SOC 2 Type II.

shot-scraper 1.10 - Record WebM Video from YAML Storyboards

shot-scraper, Simon Willison's screenshot tool, just gained a video feature. Define WebM demos in YAML, automate setup steps, and record smooth browser walkthroughs automatically.

FountainData review - AI that turns reviews into tickets

FountainData uses AI to ingest app store reviews, support tickets, and conversations, clusters them into ranked problem statements, and sends engineering tickets to Jira, Linear, or GitHub.

Nuanced: Static Analysis for AI Code Agents

Nuanced uses static analysis to generate enriched function call graphs for Python packages, giving AI agents structural code understanding.

NetCopilot – AI-Native Terminal for Network Engineers

NetCopilot is a modern SSH, Telnet and Serial client with ARIA, a built-in AI agent that diagnoses BGP problems, routing issues and other network faults. Free for Windows and Linux.

Mochi.js - Bun-native browser automation library

Mochi.js is a Bun-native browser automation library that generates deterministic Chrome fingerprints, routes all traffic through Chromium itself, and uses biomechanical models for human-like input.

Inferable – AI Workflows with Human-in-the-Loop

Open-source framework for building durable AI workflows with human approval, structured outputs, and versioned execution. Works with Node.js and Go.

Paper Lantern - Research Intelligence for Coding Agents

Paper Lantern MCP brings 2M+ research papers to AI coding agents. On-demand academic knowledge for Claude Code, Copilot, and Cursor.

JungleGym – Open Source Playground for Autonomous Web Agents

Test and benchmark AI web agents against Mind2Web, WebArena, and AgentInstruct datasets with ground-truth trajectories and sandboxed websites. Built by a16z-infra.

FlowScript – Agent Memory Using Typed Reasoning Notation

FlowScript is an open-source TypeScript SDK and query engine for AI agent reasoning. 21 typed markers encode decisions, tradeoffs, and causal chains — D3 web editor, no network dependency.

Depot CLI - Up to 40x Faster Docker Builds

Depot provides cloud-hosted container builders with managed caching. This guide covers installation, depot build, depot bake, and CI integration.

CloudGrip - Code Governance for AI Agents

CloudGrip connects GitHub, GitLab, and Slack with a code review agent and Cerberus vulnerability scans to govern AI-generated code before it reaches production.

Sambee - Browser-Based File Manager for SMB Shares

Sambee is an open-source file manager that brings SMB shares and local drives into the browser with fast previews, a Markdown editor, and desktop app integration.

Ghidra MCP Server – 251 Reverse Engineering Tools for AI

A production-ready MCP server bridging Ghidra's binary analysis capabilities with AI agents. 251 tools, P-code emulation, live debugging, and convention enforcement for reverse engineers.

Arkain - AI-Powered Cloud Development Environment

Arkain is a browser-based CDE with AI code completion, real-time collaboration, GPU containers, and pre-built templates for teams. Free tier available.

Outlit - Customer Context Layer for AI Agents

Outlit unifies customer data from your entire stack into a single agent-ready profile. YC-backed, $500/mo Team tier, SOC 2 Type II certified.

RapidFire AI – 16–24x Faster LLM Experimentation

RapidFire AI is an open-source experiment execution framework for LLM customization — RAG, fine-tuning, and post-training — delivering 16–24x throughput over sequential pipelines.

SmoothCSV - Open 1M Rows in 2 Seconds

SmoothCSV is a cross-platform CSV editor that handles million-row files with SQL query support, dark mode, and Excel import/export. 1.2k GitHub stars.

Chamber (YC W26) – AI Agent for GPU Infrastructure

Chamber is an AIOps platform that puts an AI agent between your team and your GPU fleet. Ask in plain language, get root-cause analysis and automated remediation across Kubernetes and Slurm.

Simplex - Browser Automation Built for Developers

Simplex provides API-first browser automation infrastructure — headless browsers, proxies, and captcha solving without managing your own browser fleet. YC S24.

DeepNotes - Nested Infinite Canvas with E2E Encryption

DeepNotes is an open-source infinite canvas tool with end-to-end encryption, deep page nesting, and realtime collaboration — self-hostable via Docker.

Convoy - Open Source Webhooks Gateway

Convoy is an open-source webhook gateway for secure, scalable event delivery. Handles retries, rate limiting, fan-out, and observability for millions of webhooks.

Tasker – Open-Source AI Browser Automation

Record browser workflows or describe them in plain English. Tasker is a free, MIT-licensed desktop agent that uses AI to execute multi-step web tasks. Supports Claude, GPT-4o, and Gemini.

Lightbox - Flight recorder for AI agents

Lightbox records every tool action an AI agent takes, immutably and locally. Debug, replay, and audit autonomous agents with forensic precision.

Forte Platforms - Deploy GitHub Apps to Production

Forte connects a GitHub repo and deploys it with autoscaling, auth, DDoS protection, and per-request debugging - no Dockerfiles or pipeline config needed.

yardstiq - Compare AI Models Side-by-Side in Your Terminal

Run one prompt across Claude, GPT, Gemini, and 40+ models simultaneously. yardstiq streams outputs side-by-side with real performance stats and an AI judge — all from the terminal.

Herdr – terminal agent multiplexer for AI workflows

Herdr is a terminal-based agent multiplexer for running and orchestrating multiple AI agents. Workspaces, panes, real terminal views, remote SSH, and mouse-native UI. No Electron, no GUI app.

TesterArmy – AI Agents That Test Your Web and Mobile Apps

TesterArmy is a YC P26-backed agentic QA platform. Describe test flows in plain English and let AI agents run end-to-end checks on web and mobile, with Slack alerts and CI integration.

MCP Manager – CLI for Model Context Protocol Servers

MCP Manager is an open-source Python CLI that lets you search, install, and manage Model Context Protocol servers across Claude Desktop, Cursor, and Claude Code from one command.

Latitude – AI Agent Observability Platform

Open-source AI agent monitoring platform. Full observability into what is failing in production, issue detection, semantic search, and eval alignment tracking.

Enact Review – A Package Manager for AI Agent Tools

Enact is an open-source registry and runtime for discovering, verifying, and running AI-executable tools with cryptographic signatures and policy enforcement.

TengineAI – Hosted MCP Runtime for AI Agents

TengineAI provides a remote MCP server that exposes your HTTP APIs as tools to AI runtimes, handling auth, execution, and observability.

Infracost – Cloud Cost Estimates Before You Deploy

See cloud cost estimates for Terraform before deploying. Infracost plugs into Claude Code, Cursor, CI/CD pipelines, and your terminal.

Codemap – Visualize Codebases as Call-Graph Diagrams

Codemap statically parses JavaScript, TypeScript, and Python repos and renders a directed call-graph, helping engineers understand unfamiliar code without running it.

Changelogs AI - Free Changelog Generator for Developer Workflows

Paste your GitHub repo URL and get clean, structured release notes instantly. No sign-up, no config, no cost.

BlinkDisk Review: Open-Source Backup That Protects Every File

A hands-on look at BlinkDisk, the open-source AGPL backup tool with end-to-end encryption, file deduplication, and S3, B2, NAS, and WebDAV support.

ServBay - Local Dev Environment for macOS

ServBay is an all-in-one local development environment for macOS that bundles PHP, Node.js, Python, MySQL, PostgreSQL, and more with one-click setup.

Shoehorn – Backstage Without the Maintenance Overhead

Shoehorn is a self-hosted developer platform that maps your GitHub repos, Kubernetes clusters, and infrastructure into a searchable service catalog in 15 minutes.

Badge My App – Free Product Hunt Badge Generator

Create Product Hunt badges for any app rank. Generate embed code or download images — free, no signup, works with any Product Hunt launch.

SpecMind – Spec-Driven Vibe Coding

SpecMind keeps architecture in sync with AI-generated code. It analyzes your codebase, generates .sm spec files with Mermaid diagrams, and validates implementations against specs.

SuperLocalMemory V2 - Local AI Memory for Agents

Local-only AI memory that scores 74.8% on LoCoMo benchmarks with zero cloud dependency. AGPL-3.0, supports Claude, Cursor, 16+ agents.

ApiArk — Local-First API Client That Ditches the Cloud

Open-source API client with ~60 MB RAM, sub-2s startup, and git-friendly YAML storage. Supports REST, GraphQL, gRPC, WebSocket, and SSE. A Postman alternative that respects your privacy and your workflow.

CodeCrafters – Build Redis, Git, SQLite from Scratch

Learn systems internals by rebuilding Redis, Git, SQLite and more from scratch. Advanced challenges used by engineers at Google, OpenAI, and Vercel.

Hyperbrowser MCP Server – AI Agent Web Automation

Connect AI agents to the web through browsers. Hyperbrowser MCP Server lets Claude, CUA, and other agents scrape, crawl, and extract structured data at scale.

RecurseChat – Local AI Chat on Your Mac

A Mac app that runs local LLMs, Claude, and ChatGPT from one interface. Private by design, works offline, no subscription.

Morphik MCP Server – Document Search for AI Assistants

Connect Claude and other AI assistants to a Morphik knowledge base via the official MCP server. Supports multimodal search, file ingestion, and document retrieval.

Lantern – Open Source PostgreSQL Vector Database Extension

Set up Lantern, the open-source PostgreSQL extension for vector storage and HNSW search. 888 GitHub stars, YC W24, AGPL-3.0 licensed.

Robot MCP Server – Connect Any LLM to Real Robots via ROS

ROS-MCP-Server bridges Model Context Protocol to ROS, letting Claude, GPT, or Gemini control physical robots without touching robot source code. Setup uses rosbridge, works across ROS 1 and ROS 2.

Laminar - open-source observability for AI agents

Laminar is an open-source observability platform for AI agents. It traces LLM calls, tracks tool use, runs evaluations, and detects hallucinations.

Metaschool - Build AI Apps with Free Templates

140K+ developers use Metaschool's free AI templates to build apps like flashcards, email generators, and chess games with GPT-4 and Gemini.

kit – Code Intelligence Toolkit for AI Devtools

kit is an open-source toolkit for codebase mapping, symbol extraction, and code search. Build LLM-powered developer tools, agents, and workflows with Python, CLI, or MCP.

Featurevisor - Git-Native Feature Flags and Remote Config

Manage feature flags, A/B experiments, and remote config declaratively using Git. Featurevisor builds static datafiles for your CDN, with SDKs for JS, Python, Go, and more.

Sequel – Connect Your Data Stack to Any AI Agent via MCP

Sequel acts as a secure MCP bridge between your databases, SaaS tools, and any AI agent. Connect once, query in plain English across PostgreSQL, BigQuery, Stripe, and 100+ sources.

LiveKit Realtime Playground - Speech-to-Speech in Browser

Try OpenAI's Realtime API voice mode in a browser playground built on LiveKit Agents. No installs, no server setup — just open and talk.

ExtraBar — A Customizable Menu Bar for macOS

ExtraBar replaces your macOS menu bar with a keyboard-controlled command center. Add shortcuts, deep links, quick actions — no permissions needed.

Moltis - Secure AI Agent Server on Your Own Hardware

Moltis is a Rust-based persistent AI agent server that runs as one binary with sandboxed tool execution, multi-provider LLMs, voice, memory, and integrations like Telegram, Discord, and MCP.

Sipp – Zero-Dependency WebGPU AI Inference in the Browser

Sipp is an open-source AI runtime that runs GGUF models directly in-browser via WebGPU, with a symmetric API for local execution and cloud gateway routing. Built with Rust and C++.

SimGate - Your Phone as a Private SMS API

SimGate turns your Android phone into a private SMS gateway. Send and receive texts through your own SIM card via a simple REST API.

Site Spy - Watch Any Webpage for Changes with AI Smart Filters

Site Spy monitors any webpage for changes and notifies you when it matters. AI smart filters ignore timestamps and ads, element-level tracking, visual diffs, RSS feeds. Free plan available.

ChatWithCloud – AWS Cloud via Generative AI in Terminal

ChatWithCloud is a CLI tool that lets you query and manage AWS infrastructure using natural language. Powered by OpenAI, it creates and executes scripts against your account directly from the terminal.

Rigour – Open-Source Quality Gates for AI Coding Agents

Rigour is an open-source governance layer for AI coding agents that scans for secrets, enforces code quality, and controls agent memory in real time.

CanIUseLLM - Check If Your PC Can Run Local LLMs

Instantly check whether your PC can run open-source LLMs like Llama, Mistral, and Gemma locally. Get personalized GPU/VRAM requirements and quantization recommendations.

Ethereum Package – Private Testnet with MEV Infra in One Command

Spin up a full private Ethereum devnet with all EL/CL clients, Flashbots mev-boost, Grafana, and blob analytics using a single kurtosis run command.

Flyde - Visual AI Workflows in Your VS Code

Open-source visual programming for backend AI workflows. Build, debug, and iterate agentic AI flows directly in VS Code with full TypeScript integration.

Multy – Multi-Cloud Deployment with Terraform

Write cloud-agnostic config once, deploy to AWS and Azure. Multy is an open-source tool with a Terraform provider and Apache 2.0 license.

Sudo - Unified LLM API for Developers

One API to route across OpenAI, Anthropic, Google, and more. Sudo handles context management and monetization so developers can focus on building AI products.

EasyForgejo – One-Command Self-Hosted Git + CI Server

EasyForgejo automates the Forgejo install with built-in CI/CD runner, SQLite backend, and one-line setup. Perfect for small teams wanting a private GitHub alternative.

Agentyc – Deterministic MCP Browser Automation

Agentyc is a lightweight MCP-first browser automation runtime built in Rust. No API keys, no LLM dependency — just CDP, stdio MCP, and 61 deterministic tools.

Mastra - TypeScript AI Agent Framework

Mastra is an open-source TypeScript framework for building AI agents and AI-powered applications. From the team behind Gatsby.js, backed by Y Combinator W25.

Infisical – Open-Source Secret Management Platform

Infisical is an open-source platform for syncing secrets, certs, and environment variables across your team and infrastructure. Self-host or use cloud.

APIRadar – Real-Time API Key Exposure Scanner

APIRadar monitors millions of public GitHub repositories in real time, surfacing exposed API keys for OpenAI, Claude, Gemini and other providers before they get weaponized.

Rac-delta - Open Protocol for Differential Directory Sync

Rac-delta is an open delta-patching protocol and dual SDK (Rust and Node.js) for efficiently syncing app or game builds. Supports any storage backend, Blake3 hashing, and streaming. MIT licensed.

Soma - Open-Source AI Agent Runtime with Next.js-Style DX

Soma is a Rust-based AI agent and workflow runtime with a TypeScript SDK that brings resumability, MCP integration, and A2A protocol support to your existing AI stack.

Qapir - No-Code API Testing from YAML Files

Qapir is an open-source no-code framework for API testing. Write test scenarios in YAML, run them with a single command, and get detailed HTML reports.

EnvMark – Git-Based .env Management

EnvMark uses Git as a backend to manage and share .env files across teams. No server, no third-party storage—just Git branches for environment isolation.

Misatay – VS Code Extension for Stay-in-the-Loop AI Coding

Misatay is a VS Code extension for GitHub Copilot that keeps engineers involved in every AI coding step. Plans save to repo, changes commit to Git, reviews stay in context.

Cua – Open-Source Computer-Use Agent Infrastructure

Cua provides sandboxes, SDKs, and benchmarks for building AI agents that control full desktops on macOS, Linux, and Windows. MIT-licensed, 18K stars.

CyberCage – AI Security Platform for MCP Servers

CyberCage adds enterprise-grade security to AI coding assistants and MCP servers — discovery, approval workflows, PII detection, and audit logs.

Hopper – Agentic TN3270 Emulator for Mainframe COBOL Development

Hopper is an agentic terminal that lets AI agents navigate ISPF, write JCL, debug mainframe jobs, and query VSAM inside IBM z/OS.

WebMCP Core – Auto-Generate AI Agent Tool Definitions from Any Website

Point WebMCP Core at any URL, get AI agent tool definitions in seconds. Auto-crawls forms, APIs, and interactive elements; outputs TypeScript, React hooks, or YAML for Chrome 146+.

Holesail – P2P tunnels that bypass firewalls and NAT

Holesail creates peer-to-peer tunnels to expose local servers without port forwarding, DDNS, or a central proxy. Open source, npm-installed, no config.

Dyad – Local Open-Source AI App Builder

Create full-stack AI apps locally with Dyad, an open-source builder that runs entirely on your machine — no cloud lock-in, bring your own keys, Apache 2.0 licensed.

QueryGlow – Self-Hosted Database GUI for PostgreSQL & MySQL

QueryGlow is a self-hosted database GUI supporting PostgreSQL, MySQL, SQLite and more. AI writes SQL from plain English but only sees your schema — never your data. $79 once, unlimited team.

Port42 - Native Mac App for Human-AI Companion Computing

Port42 is a native macOS app where multiple AI companions and humans share a chat space, build real-time visualizations called ports, and work together using Claude Code or Gemini CLI as native companions.

RCLI – On-Device Voice AI for Apple Silicon

RCLI runs a full STT + LLM + TTS pipeline on Apple Silicon with MetalRT acceleration. No cloud, no API keys — just 40 macOS voice actions and sub-200ms latency.

Osprey V1 - Open Source Rules Engine for Trust and Safety

Osprey is a high-performance safety rules engine from Discord and ROOST that processes 50M+ events daily, now free and open source under Apache 2.

RaptorCI – PR Risk Detection Before You Merge

RaptorCI reviews pull requests for deployment risk, flags risky changes and test gaps, and explains how to fix them before merge.

yaw - AI Terminal with SSH, DB Connections, and Claude Mode

yaw is a cross-platform AI terminal featuring built-in SSH, database connections, file editing, and a Claude Code Yaw Mode overlay for layered AI workflows.

Cossistant – AI Support Widget for React Apps

Open-source AI support widget for React and Next.js with headless components, real-time messaging, and code-first customization for developers.

Nanobot – Turn MCP servers into full AI agents

A practical guide to Nanobot, the open-source standalone MCP host that lets you build dedicated AI agents from any MCP server with a YAML config.

Osprey – Open Source Abuse Rules Engine

Open source rules engine for real-time trust and safety event processing at scale, originally built at Discord for spam and abuse detection.

Kryfto – Self-hosted MCP server with 42 tools for AI agents

Kryfto is an open-source framework that gives AI agents real web browsing capabilities. Ships a 42-tool MCP server for Claude Code/Cursor/Codex, anti-bot stealth, and Docker-based self-hosting.

AccessiGuard – WCAG Scanner with AI Fix Suggestions

Scan any website for accessibility issues in 30 seconds. AccessiGuard combines WCAG checking, ADA compliance reporting, and AI fix suggestions via web UI or CLI.

Deepgram CLI: Speech-to-Text, TTS & Audio Analysis

The official Deepgram CLI brings transcription, text-to-speech, sentiment detection, and diarization to your terminal. Install with one line, stream live audio, pipe to LLMs. MIT.

XPipe – access servers from your desktop

XPipe is an open-source connection hub that lets you browse SSH, Docker, Kubernetes, and more from a single desktop interface — no setup on remote systems required.

Onlook - Visual AI Editor for Designers

Open-source visual code editor that brings AI-assisted design directly into your Next.js codebase. Figma-like interface meets real-time code editing.

OpenTrace – AI-Powered Production Debugging via MCP

OpenTrace is a self-hosted observability server that connects AI coding agents directly to production logs and errors via MCP — no dashboards, no copy-paste.

Axiom Browser Automation - No-Code to Claude-Powered RPA

Axiom.ai lets you build browser bots via no-code drag-and-drop, Puppeteer/Playwright code, or plain English descriptions to Claude. YC W21 startup, cloud or self-hosted.

Superexpert.AI - Build Multi-Task AI Agents Without Code

Open-source platform for building multi-task AI agents with a no-code interface, PostgreSQL backend, and support for OpenAI, Anthropic, and Gemini models

XPack - Self-Hosted MCP Marketplace With Built-in Billing

Deploy your own MCP marketplace in 10 minutes. XPack converts any OpenAPI spec into a callable MCP service with Stripe billing, OAuth auth, and per-call pricing.

mcp-use - Fullstack MCP Framework for TypeScript and Python

Build, test, and deploy MCP servers and apps with mcp-use, the open-source SDK from Manufact that supports TypeScript and Python.

Donely - Multi-Instance OpenClaw AI Agent Hosting

Deploy and manage unlimited OpenClaw AI employee instances from a single dashboard. Per-instance access control, unified billing, and volume discounts from $0/mo.

Updatify - Release Notes and Changelog Tool

Add release notes and changelog to your web app in minutes. Updatify's WYSIWYG editor helps product teams keep users engaged and reduce churn.

l6e - Budget Gates for AI Coding Agents

l6e is an open-source MCP server that adds cost enforcement to Cursor, Claude Code, and Windsurf. Set a session budget, and the agent checkpoints and halts when spending gets too high. Free MIT tool.

Inconvo – Chat with Your Database Without Writing SQL

Inconvo is an open-source platform for building data agents that answer natural-language questions over production databases with safe query execution, permissions, and structured outputs.

Fiberplane FP - Agent-Native Issue Tracking for Claude Code

Local-first issue tracker built for AI coding agents. Scoped issues, durable context, and a CLI that agents can own end-to-end.

Sourcebot – Self-hosted Perplexity for Your Codebase

Self-hosted code search and AI chat tool that indexes GitHub, GitLab, and local repos, letting you ask natural language questions with inline citations and navigate code directly in the browser.

Torrix – Self-Hosted LLM Observability Stack

Track tokens, cost, latency, and full prompt traces for any LLM. Torrix is a self-hosted observability tool that runs entirely on SQLite — no Postgres, no Redis required.

Hatchet – Background Tasks and AI Agent Orchestration

Open-source platform for background tasks, AI agents, and durable workflows. Postgres-backed, multi-language SDKs, free cloud tier with 100k runs.

Crawlee Python - Web Scraping Library Built for Real Use

Crawlee is an Apify-built open-source web scraping library that handles bot detection, proxy rotation and headless browsers so you focus on data extraction.

Mochi.js – Bun-Native Browser Automation with Fingerprinting

Mochi.js is a Bun-native browser automation library that replaces the patchwork of Patchright, fingerprint injectors, and curl-impersonate libraries with one coherent MIT-licensed stack.

Lambda CLI - MCP Server for Lambda Cloud GPU Instances

Unofficial CLI and MCP server for managing Lambda cloud GPU instances from the terminal or inside AI editors like Cursor and VS Code.

plyra-guard – AI Agent Action Middleware

Production-grade middleware that intercepts AI agent tool calls, evaluates them against policy, and blocks or logs risky actions before execution.

DataFuel – Turn Websites into LLM-Ready Data

DataFuel API transforms websites into clean markdown for RAG pipelines and LLM training. One endpoint, no scraping code.

Spidra - AI Web Scraper That Adapts to Any Website

Spidra is a no-code AI web scraping platform. Point at any URL, describe what you want in plain text, and get structured data back - no CSS selectors, no proxy management.

Moru – AI Agent Runtime with Firecracker MicroVMs

Moru gives AI agents their own isolated Linux VM using Firecracker microVMs. Open-source, self-hostable, and works with Claude Code and Codex.

Oblien - Agent Runtime with a Built-In REST API

Deploy AI agents into secure cloud VMs with a full REST runtime API. File ops, terminal, exec, and search — controlled entirely from your agent code.

Quary - Open-Source BI for Engineers Using SQL

Quary is an open-source BI tool that connects to your database, lets engineers write SQL models, create charts, and manage everything as version-controlled code.

AI Sessions – MCP Server for AI Coding Session History

Share and search AI coding sessions across Claude Code, Codex CLI, Gemini CLI, and opencode with this open-source MCP server.

Step CI - Open-Source API Test Automation Framework

Step CI is an open-source API testing framework with YAML, JSON and JavaScript workflows. Test REST, GraphQL, gRPC, SOAP and tRPC APIs in CI/CD.

Termly - Mobile AI Coding with Claude Code

Run Claude Code, OpenCode, Gemini CLI, or any terminal AI on your iPhone or Android in under 60 seconds. Free, E2E encrypted, zero-knowledge architecture.

WindowSill - Free AI Command Bar for Windows

A free universal command bar for Windows with built-in AI writing, grammar check, tone rewriting, and translation in any app. Plus clipboard history and media controls.

QPoint DevTools - Inspect Encrypted Linux Traffic in Browser

Browser-based tool that shows plaintext HTTP/S requests from any Linux process without a proxy or certificates.

Helply – AI Support That Charges Per Outcome, Not Per Seat

Helply is an AI-native B2B support platform where you pay only when AI resolves a ticket, flags a churn signal, or catches an upsell opportunity. Built for $1M–$50M ARR companies.

Plandex v2 – Open-Source AI Coding Agent for Large Projects

Plandex v2 is an open-source AI coding agent designed for long-running, multi-file tasks. It沙盒diff预览、2M上下文、本地Docker部署，适合大型代码库。HN 257pts热榜。

Nia CLI - Context Layer for AI Coding Agents

Open source CLI that gives AI coding agents like Cursor and Claude Code persistent memory of your real codebases and documentation.

Sentrial – Catch AI Agent Failures Before Users Do

Sentrial is a YC W26 observability platform that detects silent regressions across AI agent sessions, tool calls, and LLM interactions before end users notice.

Command Center – AI Coding Env for Quality

Command Center runs multiple AI coding agents in parallel and uses a refactoring agent to turn AI-generated slop into production-ready code. Here's how it works.

Moltis – A Secure Persistent Personal Agent Server in Rust

Moltis is an open-source agent server written in Rust. One binary, sandboxed execution, multi-provider LLMs, voice, memory, and MCP tools.

Hyperterse – Declarative MCP & A2A Agent Server

Hyperterse packs agents, MCP tools, prompts, and resources into one deployable service with declarative configs, DB adapters, and OpenTelemetry.

Captain Claw – Local AI Agent with Multi-Agent Orchestration

Open-source local AI agent with Basna ensemble routing, Agent Forge archetypes, 47 built-in tools, and a web-based Flight Deck dashboard. Supports OpenAI, Claude, Gemini, Ollama, and OpenRouter.

unf – Filesystem Flight Recorder for AI Agents

unf records every file change in real time so you can rewind any edit, diff any moment, and recover from AI agent mistakes without git commits.

mcpauth – Self-Hosted OAuth 2.0 Server for MCP

Self-host your own OAuth 2.0 server for MCP clients like ChatGPT. mcpauth supports Next.js, Express, Prisma, and Drizzle — no vendor lock-in.

Intuned - AI Browser Automation Platform

Describe what you need. Intuned Agent generates production-ready Playwright code, deploys it, and fixes it when sites change. Built-in stealth, auth, scheduling, and scale.

UniDeck – No-Code Developer Dashboard Layer

Build live developer dashboards from GitHub PRs, Jira sprints, Linear issues, and CI runs without writing code. UniDeck connects to Google Workspace, Slack, Stripe, and any HTTP API.

Zoonk - AI Learning Platform Setup

Zoonk is an open-source AI learning platform that turns any topic into structured interactive lessons. Self-host with Next.js, pnpm, and PostgreSQL.

Sonarly - AI Agent for Production Bug Fixes

Sonarly (YC W26) connects to Sentry and Datadog to triage production alerts, deduplicate noise, and auto-fix bugs with Claude Code. Cut MTTR with AI root cause analysis.

Gitdot - Open-Source GitHub Alternative in Rust

Gitdot is a new open-source Git platform written in Rust, featuring stacked diffs for code review and a focus on quality over AI features. Apache-2.0 licensed.

Aptible - HIPAA-Compliant Cloud Infrastructure

Aptible deploys apps, databases, and AI on isolated AWS infrastructure with HIPAA and HITRUST R2 compliance enforced by default. Includes BAA, 30-day free trial, and 8 managed database types.

Smooth CLI - Browser Agent API for AI Agents

Smooth CLI gives AI agents a token-efficient browser. Natural language interface instead of click/type/scroll. 5x faster, 7x cheaper than Playwright MCP.

Home Maker: Manage Dev Tools in One Makefile

Stop tracking how you installed every CLI tool. Home Maker uses a single Makefile to declare, install, and upgrade all your dev tools across apt, cargo, uv, go, and npm.

Crewship - Deploy AI Agents in Seconds

Deploy CrewAI, LangGraph, and LangGraph.js agents with a single command. Real-time streaming, auto-scaling, and zero infrastructure to manage.

Coroot - eBPF Observability with AI Root Cause Analysis

Open-source observability platform using eBPF for zero-instrumentation monitoring. AI-powered RCA, distributed tracing, and SLO alerting with 80% faster MTTR.

LocalScore - Open Local LLM Benchmark

Measure how well your hardware runs local AI models. Open-source benchmark tests prompt speed, generation speed, and time-to-first-token for LLMs.

Koyeb - Serverless Deploy for APIs and AI Inference

Deploy APIs, AI inference, and databases on Koyeb's global serverless infrastructure. GPU instances, per-second billing, autoscaling to zero. CLI setup guide.

machine0 - Persistent NixOS VMs from the CLI

machine0 gives developers persistent NixOS and Ubuntu VMs with static IPs, per-minute billing, and an MCP server so AI agents can provision infrastructure from the terminal.

boringBar Review - Taskbar Replacement for macOS

boringBar replaces the macOS Dock with a desktop-aware taskbar featuring window previews, pinned apps, notification badges, and one-click desktop switching. 14-day free trial available.

Edka - Kubernetes on Hetzner

Edka automates production-ready Kubernetes clusters on your own Hetzner Cloud account. Provision in under 2 minutes with GitOps, one-click add-ons, and built-in monitoring.

Elephant Agent: Personal-Model First Self-Evolving AI Agent

Elephant Agent is an MIT-licensed, macOS-first personal AI agent that grows a correctable Personal Model of identity, world, pulse, and journey, then helps shape long-running Paths.

LUKSbox: Rust Encrypted Vaults for Cloud and Shared Media

LUKSbox is an Apache-2.0 Rust encrypted-container tool with passphrase, FIDO2, TPM 2.0, and ML-KEM hybrid post-quantum keyslots, mountable as a real drive on Linux, macOS, and Windows.

FanBox: Local Cockpit for Claude Code and Codex

FanBox is an MIT-licensed macOS desktop cockpit for Claude Code and Codex with file browser, embedded terminal, live agent dashboard, project memory, and one-click session resume.

agent-skills-eval: Test Runner for Agent Skills

agent-skills-eval is an MIT-licensed test runner for the agentskills.io standard that runs every eval with_skill and without_skill, grades both with a judge model, and ships a static HTML report.

boo: Ghostty-Powered Terminal Multiplexer for AI Agents

boo is a GNU screen-style terminal multiplexer written in Zig on top of libghostty-vt, with a faithful terminal state model and agent-friendly peek, send, wait, and JSON primitives.

PriceAI: AI Subscription Price Comparison Radar

PriceAI is an AGPL-3.0 comparison radar that aggregates 100+ Chinese card-shop channels for ChatGPT, Claude, Gemini, Grok, and AI API reseller pricing into comparable standard SKUs.

Parastore: Isometric 3D Retail Simulator with LLM Shoppers

Parastore is a synthetic-consumer retail sandbox where you draw a store, generate LLM personas, and watch them shop an isometric 3D space with pathfinding and per-aisle analytics.

Agent-HTML: HTML Canvas for AI-Authored Artifacts

Agent-HTML gives agent outputs a durable React artifact workspace with inspectable blocks, themed presentation, and a Vite-powered Canvas host for dashboards, reports, and mockups.

MobileGym: Verifiable Mobile GUI Agent Simulator

MobileGym is a browser-hosted Android simulator with 28 apps, 416 task templates, deterministic code-level judges, 256 parallel instances, and Sim-to-Real validated GRPO training.

GOD: Real-Time Control Room for Agent Societies

GOD is an Apache-2.0 real-time operator console for generative-agent societies, with pause-time, targeted ask, real-time intervention, no-code setup, and pixel-replay worlds.

sandboxd: Self-Hosted Dev Sandboxes with Preview URLs

sandboxd is an MIT-licensed self-hosted engine for isolated Linux sandboxes, built-in OpenCode and Claude Code agents, and live preview URLs from a single Go binary.

DeepSeek-Code-Whale: DeepSeek-Native AI Coding Agent

Whale is a DeepSeek-native terminal AI coding agent written in Go with ~98% prompt cache hit rate, 1M-token context, MCP, dynamic workflows, and Claude Code compatibility.

WeSight: Desktop AI Agent Workspace for Local CLIs

WeSight is an open-source Electron desktop console for Claude Code, Codex, Kimi Code, OpenClaw, Hermes Agent, OpenCode, and other local AI coding agent runtimes.

OpenOSINT: AI OSINT Agent with REPL, CLI, and MCP

OpenOSINT is an MIT-licensed AI OSINT agent with 16 tools, an interactive REPL, a CLI, a Web UI, and an MCP server, supporting Anthropic Claude, OpenAI, and local Ollama models.

Burrow macOS GUI for Mole CLI and MCP Server

Burrow is a free, open-source, native macOS GUI for the Mole CLI, with long-range metric history, an MCP server for AI agents, and tools for clean, purge, and uninstall.

specification.website: Platform-Agnostic Web Spec

specification.website is an MIT-licensed, source-cited web spec covering HTML, SEO, accessibility, security, llms.txt and more, with an MCP server for AI agents.

journal-adapt-writing-skill: Journal Style Adaptation

Learn how journal-adapt-writing-skill turns a manuscript and a target journal's papers into an auditable dynamic writing skill for Claude Code and Codex revision work.

Nut.new: Time-Travel Debugging AI for Vibe Coding

Open source vibe coding tool by Replay.io that uses time-travel recordings and AI to fix bugs that stump LLMs. Free, built on Bolt.DIY.

Adam CAD – AI-Powered CAD for Hardware Engineers

Adam is an AI CAD agent that helps mechanical engineers build hardware faster. Open source text-to-CAD web app with parametric controls and multi-format export.

Wild Moose - AI SRE for Production Debugging

Wild Moose is an AI-first responder that codifies your team's debugging practices into autonomous agents, cutting MTTR by 80% with evidence-backed root cause analysis.

Nango - Build integrations with 800+ APIs

Connect your product and AI agents with 800+ pre-built API integrations. Nango handles authentication, sync, and infrastructure for scalable integrations.

Cicada – Self-Hosted CI/CD Alternative to GitHub Actions

Open-source, self-hosted CI/CD platform that runs workflows locally. No cloud lock-in, no per-minute billing. Deploy on your own VPS or Docker infra.

BuildShip - AI Visual Backend Builder

BuildShip is an AI-powered visual backend builder for creating APIs, CRON jobs, and cloud functions. No-code ease with full code access, built on Google Cloud.

Skyvern - Open-Source AI Browser Automation

Skyvern is an open-source AI agent that automates complex browser-based workflows using LLMs, supporting multi-step tasks, form filling, and API integrations.

Dockside - Self-Hosted Codespaces for Small Teams

Open-source browser-based IDE that runs entirely on your own infrastructure. Spin up containerized dev environments in seconds, no GitHub dependency required.

VoltAgent - TypeScript AI Agent Framework

Open-source TypeScript framework for building AI agents with memory, RAG, MCP, and multi-agent workflows. Includes VoltOps observability console.

Agent MCP Studio – Browser MCP Tool Builder & Agent Runtime

Build, run, and export MCP tools and AI agents entirely in your browser. No install, no server, no backend. Powered by Pyodide WASM and DuckDB-WASM for free.

RunsOn – Self-Hosted GitHub Actions Runners on AWS

Spin up ephemeral EC2 runners in your own AWS account per job. CloudFormation or Terraform stack, 7-12x cheaper than GitHub-hosted runners, GPU instances included.

Dynbox - The AI File Organizer

Dynbox is an intelligent file organizer. Easily sort and find all your files, whether on your cloud storage or local disk.

Flowcost - AI Workflow Cost Estimation Before You Build

Plan the prompts, retrieval, model choices, and infrastructure behind an AI workflow. See cost, latency, and dependencies before the architecture turns into code.

Notte – Browser Automation via Demonstration

Record browser workflows in a cloud browser and compile them into deterministic automation code—no AI needed at runtime. Built for reliability over LLM unpredictability.

Buildstash – Build-to-Release Management for Software Teams

Binary build artifact and release management for software teams. Never lose a build again, steer through QA and sign-off, and manage rollouts to app stores.

LANCommander – Self-Host Your Own Game Library

LANCommander is an open-source digital distribution platform that lets you self-host your PC game library, no cloud or subscription required.

Ponytail: Lazy AI Coding Skill for Claude Code & Codex

Ponytail is a portable AI coding skill pack that pushes Claude Code and Codex toward smaller diffs, fewer dependencies, and measurable cost savings. Drop-in setup guide.

Storm MCP – Enterprise MCP Gateway for AI Agents

Storm MCP connects AI agents to 1,100+ verified MCP servers via one-click deployment. Enterprise security, observability, and zero config required.

Port42 – AI Agents That Build Tools From Your Work Patterns

Port42 is a native Mac app where AI companions talk, build, and think together—generating tools dynamically from your actual work patterns.

p99.chat – Performance Optimization Playground

A free browser-based playground for measuring and optimizing software performance. Run latency experiments, analyze p99 tail latency, and profile code.

Rowboat – Open-Source AI Coworker with Memory

Rowboat is an open-source AI coworker that remembers your projects, codebase, and preferences — like Claude Code but runs on your own infrastructure.

Flowtest.ai – AI Agent for Website Uptime Monitoring

Flowtest.ai is an AI agent that browses your website like a real user, detects issues, and self-heals when layouts change.

AI Agent Tools Directory – 316 Tools for Building Agents

A curated directory of 316 tools for building AI agents, LLMs, and RAG pipelines. Browse by category, use case, and stack.

TinyKit – Self-Hosted Agentic App Builder

TinyKit is an open-source platform for vibe-coding small web apps. Build with an AI agent, host on your own server, deploy static bundles in seconds.

Superglue CLI + Skills - Set Up AI Agents via the CLI

Set up AI agents to build and manage superglue tools via the CLI and superglue skill. Perfect for developers building custom AI integrations.

Bytebase 2.0 – Database Schema Change Tool

Bytebase 2.0 brings GitLab/GitHub-style database change management to teams: GUI-based schema migrations, SQL review workflows, and rollback support.

AgentLair - AI Agent Identity Infrastructure

AgentLair gives AI agents a persistent address, credentials, audit trail, and namespace that survive session restarts. YC S26.

Preseason - Track What Tools LLMs Pick for Vibe Coding

Open-source benchmark that tracks which tools AI models recommend for vibe-coding prompts across beginner to expert scenarios.

Moltis – Persistent AI Agent Server in Rust

A secure persistent AI agent server in Rust. One binary, sandboxed execution, multi-provider LLM support, voice, memory, and integrations for Telegram, WhatsApp, Discord, and more.

Modulus – Cross-Repo Knowledge Orchestration for AI Agents

Modulus connects code repositories into a unified knowledge graph, helping AI coding agents understand and navigate cross-file context across your entire codebase.

ClawSight - AI Agent Observability Dashboard

Monitor AI agent costs, logs, and kill runaway bots with this open-source dashboard. Free, open source, self-hosted, takes 2 minutes to set up with Node.js.

Relvy – AI On-Call Runbooks That Slash MTTR

Relvy is a YC F24-backed on-call automation platform that executes runbooks during incidents — reducing MTTR by turning static SOPs into AI-driven response workflows. Free tier available.

ApiParrot – Auto Reverse Engineer HTTP APIs

ApiParrot captures HTTP traffic and automatically generates OpenAPI specs, Postman collections, and client SDKs from real API behavior.

DBSnapper – Database Snapshots for Development

DBSnapper automatically snapshots and sanitizes your database for local development. Supports PostgreSQL, MySQL, MongoDB. One command to anonymize PII and share safe dev clones.

Simplex – Browser Automation Platform for Developers

Simplex is a browser automation platform that lets developers control Chrome via a simple API, run Playwright tests in the cloud, and integrate headless browsing into CI/CD pipelines.

Wrkspace – Dev Environments That Boot in Under 5 Seconds

Wrkspace is a self-hosted dev environment platform that launches pre-configured environments for multiple languages and frameworks in under 5 seconds.

Telebugs – Self-Hosted Error Tracking in 5 Minutes

Telebugs is an open-source error tracking tool that replaces Sentry with a self-hosted setup. Deploy via Docker, track stack traces, and get alerts in minutes.

ClawsMarket – AI Agent Marketplace for Curated Software

ClawsMarket is a marketplace where AI agents discover and run curated software workflows — booking meetings, trading markets, sourcing deals.

API Radar – Real-Time GitHub Scanner for Exposed API Keys

Live tracking of exposed API keys from millions of GitHub repositories. Analyze exposure trends to mitigate organizational security risks with unmatched detail and speed.

Trickle – Vibe Coding Canvas with Built-in AI Image & Video

Trickle is an AI agentic canvas for vibe coding that lets you build production-ready web apps and sites using natural language, with built-in image and video generation.

AgentDepot – Open Directory of AI Agent Tools

An open directory of AI coding tools for Claude Code, Cursor, Replit, and MCP. Discover 70+ curated agents, plugins, rules, and skills in one place.

Cardboard – AI Video Editor in Your Browser

Browser-based AI video editor with automatic subtitles, smart reframing for YouTube Shorts and Reels, and client-side WebGPU processing.

Hyperbrowser – Cloud Browsers for AI Agents & Apps

Scalable browser infrastructure for AI agents. Launch headless Chrome sessions via API, run web automation at scale without managinginfra.

Twill AI – Self-Improving Software Engineer

Twill keeps a persistent dev environment for each repo, forks it for every task, and lets coding agents write back memories, setup fixes, and skills while verifying PRs with tests and screenshots.

Hodor – macOS Prompt Launcher for AI Tools

Free open-source macOS app that saves your AI prompts and pastes them into any AI tool with one gesture. No more copy-paste loops.

Startfa.st – Best AI Tools Directory to Build Faster

Startfa.st is a curated directory of AI, developer, and product tools with real pricing, launch dates, and traffic data to help you find what to build with or buy.

MCP Workbench – Visual Debugger for MCP Servers

A visual debugger and test client for Model Context Protocol servers. Debug, test tools, and inspect JSON-RPC traffic in real time.

Interfaze – Deterministic LLM for Developer Tasks

A purpose-built LLM for OCR, web scraping, and classification tasks that need consistent, deterministic results — no hallucination, no margin for error.

Intuned – Browser Automation Built by AI, Deployed as Code

A code-first browser automation platform with an AI agent that builds and maintains your automations as deterministic, production-ready code.

Port42 - AI agents that build tools from your work patterns

Port42 watches how you work, then builds AI agents that construct tools from your actual patterns—no templates, no manual setup.

InsForge – Postgres BaaS for prompt-driven dev

InsForge is a Postgres BaaS that turns natural language prompts into data models, APIs, and backend logic—no SQL or schema migration required.

Rivet – Open-source AI Agent dev environment

Rivet is an open-source AI agent development environment built by Ironclad for building real-world AI workflows with visual editing, integrated debugging, and LLM provider flexibility.

Baguette for Headless iOS Simulator Farms

Baguette turns iOS Simulator into scriptable infrastructure with headless boot, browser dashboards, gesture injection, and multi-device farm control for iOS 26 workflows.

TokenSpeed for Agentic LLM Inference

TokenSpeed targets agentic LLM inference with static-compiler parallelism, KV-safe scheduling, and aggressive Blackwell-era performance goals in its preview release.

RMUX for Shared Terminal and Agent Workflows

RMUX is a Rust terminal multiplexer with tmux-style control, browser sharing, typed SDK APIs, and security-minded web multiplexing for agent workflows.

Google Antigravity SDK for Python Agents

Google's Antigravity SDK packages typed tools, streaming responses, MCP integration, hooks, and triggers into one Python agent runtime for production-grade workflows.

OpenSquilla for Token-Efficient Agent Workflows

OpenSquilla combines routing, planning, memory, and optional MCP support into a token-efficient local-first agent workflow with practical CLI setup and tradeoffs.

Bumblebee for Developer Endpoint Supply-Chain Checks

Perplexity's Bumblebee scans lockfiles, package metadata, MCP configs, and extensions on macOS and Linux to quickly show where vulnerable software is present.

Port42 – Mac App Where AI Agents Build and Think With You

A native Mac app combining AI companions with code interpretation, browser control, and file system access. Open source, end-to-end encrypted.

Engram-Fold - Persistent Structured Memory for AI Agents

Engram processes agent experiences into structured long-term memory while Fold provides semantic search across project knowledge. A practical look at building persistent memory for AI agents.

Kampala – Reverse-Engineer Apps into APIs

Kampala by Zatanna AI reverse-engineers any app into a REST or GraphQL API without coding. Point, click, and get structured data from any mobile or web app.

Sentrial - Catch AI Agent Failures Before Your Users

Sentrial monitors your AI agents in production and catches failures, errors, and unexpected behaviors before they reach your users. Built for LLM-based systems.

Superhighway – AI Agent Web Search via x402 Protocol

Superhighway serves live web search to AI agents through the x402 payment protocol, charging per-call in USDC with no API key required.

LaunchSoar – AI Tool Directory for Indie Makers

A curated directory of AI tools for creators, indie developers, and founders. Find tools for video, audio, social media, and more.

Owl Browser – Self-Hosted Chromium That Doesn't Get Blocked

Owl Browser is a self-hosted Chromium engine with source-level fingerprint spoofing, 256 parallel sessions, built-in CAPTCHA solving, and drop-in Playwright migration.

Cardboard – AI Video Editor in Your Browser

Cardboard is an agentic AI video editor that cuts, captions, reframes and composes footage from a simple text prompt. No installs, no downloads – runs in the browser.

EnforceAuth – Authorization for the AI Agent Era

Policy-as-code authorization built for AI agents, with OPA-native design, AuthZEN alignment, and agent-operable access workflows through MCP integration.

Glama – MCP Server Registry, Inspector, and Gateway

Browse 5,000+ MCP connectors for Claude, ChatGPT, and Cursor. Glama provides a live registry with uptime monitoring, direct connection, and a gateway for remote MCP servers.

AppLaunchFlow – AI App Store Screenshots & ASO Assets

AppLaunchFlow is an AI-powered app store screenshot generator for iOS and Android. Create App Store and Play Store screenshots, ASO copy, and translations in minutes.

ToolJet AI – Build Full-Stack Enterprise Apps

ToolJet AI is a collaborative low-code platform for building full-stack enterprise internal tools with AI agents. Sign up for early access.

How to Train Your GPT From Scratch

raiyanyahya/how-to-train-your-gpt teaches modern decoder-only LLM internals with a 12-chapter walkthrough, runnable notebooks, a commented `main.py`, and fine-tuning guides aimed at Python developers.

agents-best-practices for AI Agent Harnesses

Denis Sergeevitch's agents-best-practices packages provider-neutral guidance for building AI agent harnesses with typed tools, approval gates, context compaction, MCP connectors, and rollout safety.

serve-sim to Host Apple Simulators

Evan Bacon's serve-sim turns booted iOS simulators into browser-accessible streams with gesture control, camera injection, middleware embedding, and an agent skill for Codex or Claude Code.

Open Code Review for AI PR Reviews

Alibaba's Open Code Review is an AI code review CLI with deterministic file coverage, line-accurate comments, CI examples, and agent integrations for Codex and Claude Code.

PDFClear – Private PDF Tools with Local AI

Free browser-based PDF tools with local AI search. Merge, split, compress, convert, sign, OCR. Model loads once, works offline – your files never leave your device.

CraftBot Live – AI agent that builds and runs its own SaaS

A cloud-hosted AI agent that builds, deploys, and manages SaaS tools with minimal manual ops. Useful for indie hackers who want an AI teammate across build and launch workflows.

MCP Workbench – Visual Debugger for MCP Servers

A visual debugger and test client for Model Context Protocol servers. Debug tools, inspect JSON-RPC traffic, and test MCP servers in real time from your browser.

AI Agent Tools – 510+ Directory for Building AI Agents